While Mars might be the planet scientists think is the most like Earth, Venus is actually Earth's closest neighbor! But because of a thick layer of toxic gasses, scientists believe it's impossible for Venus to support life as we know it. Beneath the planet's poisonous mask is a hot, unfriendly environment. Young astronauts will love learning not only about the mysteriousness of Venus, but also what else about this planet is so deadly! With fun, approachable text, young readers will jump right in.